Today
Thunderstorm throughout the day, high +75°, low +73°. Wind up to 1 mph. Precipitation likely — up to 100%.
Weather in Pematangsiantar
Indonesia · North Sumatra · 2.9595, 99.0687
Today Now 8:07 PM
+75° Thunderstorm
Hourly forecast
Today10/19
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +81° and thunderstorm with hail, nighttime low +72°, 5° warmer.
Week
This week temperatures range from +72° to +86°. Peak warmth: Mon, +86°. Coldest night — Tue, around +72°. Days with precipitation — Mon, Tue, Fri, Sat, Sun, Mon.
Week vs norm
- Today 10/19 +75° −7° usually +83°
- Tomorrow 10/20 +81° −2° usually +83°
- Wed 10/21 +82° as usual usually +83°
- Thu 10/22 +84° +2° usually +82°
- Fri 10/23 +82° as usual usually +82°
- Sat 10/24 +82° as usual usually +82°
- Sun 10/25 +77° −5° usually +82°
- Mon 10/26 +86° +4° usually +82°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 19
Today is cooler than usual for this date.
- Heat record +88° 2010
- Cold record +68° 1991
- Most precipitation 1.4 in 2011
- Strongest gust 24 mph 2016
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Pematangsiantar
Today is about 8° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +82° / +69° | +74° | 9.2 |
| Feb | +83° / +69° | +75° | 7.1 |
| Mar | +84° / +70° | +76° | 8.5 |
| Apr | +84° / +70° | +76° | 9.7 |
| May | +85° / +71° | +77° | 10.2 |
| Jun | +85° / +71° | +76° | 8.6 |
| Jul | +85° / +70° | +76° | 8.5 |
| Aug | +84° / +70° | +76° | 10.7 |
| Sep | +83° / +70° | +75° | 13.3 |
| Oct | +83° / +70° | +75° | 14.0 |
| Nov | +82° / +70° | +74° | 13.8 |
| Dec | +81° / +69° | +74° | 12.5 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
6:07 AM | 6:09 PM
Moon
12:57 PM | 12:23 AM
Moon phase
Waxing gibbous 55%
Next solar eclipse
Calculating for this city…